Charging or over-charging
Minor bubbling is normal when battery is charging. Excessive may be due to the battery being overcharged--perhaps a bad voltage regulator.
Cook as in hot or cook as in bubble? A hot battery is either faulty inside or being charged to quickly. A bubbling battery is normal if it bubbling a little bit. The charging process will separate the water into Oxygen and Hydrogen causing bubbles and the electrolyte level to lower.
charging system not charging battery with new batttery, alternator and fuel pump. what will make that happen ?
Yes. The charging causes a chemical change in the electrolyte of the battery.
only if the car your using to charge the other on is not started
No
No.
No
Yes, as long as the charging system is is good working order.
No
no